XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.25.3

Revenue (Tables) | 6 Months Ended
--- | ---
Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | The following table provides information regarding the Company’s revenue for each of the services it provides pursuant to its spectrum revenue agreements for the three and six months ended September 30, 2025 and 2024 (in thousands):
| Three months ended September 30, |  | Six months ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Spectrum revenue |  |  |  |  |  |  |
900 MHz Broadband Spectrum Revenue |  |  |  |  |  |  |
Ameren Corporation | $ | 206 |  | $ | 182 |  | $ | 412 |  | $ | 338
Evergy | 385 |  | 385 |  | 770 |  | 771
Xcel Energy | 884 |  | 802 |  | 1,685 |  | 1,603
TECO (1) | 77 |  | — |  | 103 |  | —
Narrowband Spectrum Revenue |  |  |  |  |  |  |
Motorola (2) | — |  | 182 |  | — |  | 364
Total spectrum revenue (3) | $ | 1,552 |  | $ | 1,551 |  | $ | 2,970 |  | $ | 3,076
1.The Company commenced revenue recognition in connection with the delivery of cleared 900 MHz Broadband Spectrum and the associated broadband licenses to Tampa Electric Company (“TECO”) in June 2025. 2.As of December 31, 2024, the Company recognized all the revenue associated with the 2014 Motorola spectrum agreement. 3.Revenue recognized during the three and six months ended September 30, 2025 and 2024 was included in deferred revenue at the beginning of the respective periods.
Schedule of Contract Assets | The Company’s capitalized contract costs consisted of the following activity during the three and six months ended September 30, 2025 and 2024 (in thousands):
| Three months ended September 30, |  | Six months ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Balance at the beginning of the period | $ | 1,271 |  | $ | 1,023 |  | $ | 1,241 |  | $ | 1,027
Additions | 125 |  | 90 |  | 174 |  | 116
Amortization | (5) |  |  | (11) |  |  | (24) |  |  | (41) |
Balance at the end of the period | 1,391 |  | 1,102 |  | 1,391 |  | 1,102
Less amount classified as current assets (1) | (24) |  |  | (676) |  |  | (24) |  |  | (676) |
Noncurrent assets (1) | $ | 1,367 |  | $ | 426 |  | $ | 1,367 |  | $ | 426
1.Current assets are recorded as prepaid expenses and other current assets and noncurrent assets are recorded as other assets on the Company’s Consolidated Balance Sheets.
Schedule of Contract Liabilities | The Company’s contract liabilities consisted of the following activity during the three and six months ended September 30, 2025 and 2024 (in thousands):
| Three months ended September 30, |  | Six months ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Balance at the beginning of the period | $ | 128,214 |  | $ | 120,687 |  | $ | 124,672 |  | $ | 122,212
Net additions (1) | 3,754 |  | 7,491 |  | 8,714 |  | 7,491
Revenue recognized | (1,552) |  |  | (1,551) |  |  | (2,970) |  |  | (3,076) |
Balance at the end of the period | 130,416 |  | 126,627 |  | 130,416 |  | 126,627
Less amount classified as current liabilities (2) | (6,872) |  |  | (5,915) |  |  | (6,872) |  |  | (5,915) |
Noncurrent liabilities (2) | $ | 123,544 |  | $ | 120,712 |  | $ | 123,544 |  | $ | 120,712
1.Represents milestone payments received from customer contracts pursuant to the terms of the associated spectrum revenue agreements, net of delivery delay adjustments. 2.Current liabilities and noncurrent liabilities are recorded as deferred revenue on the Company’s Consolidated Balance Sheets.

X
- Definition Contract with Customer, Contract Asset [Table Text Block] + References No definition available. + Details
Name: | atex_ContractWithCustomerContractAssetTableTextBlock
Namespace Prefix: | atex_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract with Customer, Contract Liabilities [Table Text Block] + References No definition available. + Details
Name: | atex_ContractWithCustomerContractLiabilitiesTableTextBlock
Namespace Prefix: | atex_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration